Question

a sopucao da equacao 5(x+3)-2(×-1)=20

Answer 1

Ola Rafael

5*(x + 3) - 2*(x - 1) = 20

5x + 15 - 2x + 2 = 20

3x = 20 - 15 - 2 = 3

x = 1

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Answer 2

5.(x + 3) - 2.(x - 1) = 20
5x + 15 - 2x + 2 = 20
5x - 2x + 15 + 2 = 20
3x + 17 = 20
3x = 20 - 17
3x = 3
x = 3/3
x = 1